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Finding the Fourth Proportional to 343,744.60, 474,360.39 and 190,773.88

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Solution

The fourth proportional to 343,744.60, 474,360.39 and 190,773.88 is: 263,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,744.60 : 474,360.39 = 190,773.88 : x
  2. Step 2: Convert to fraction form
    343,744.60/474,360.39 = 190,773.88/x
  3. Step 3: Cross multiply
    343,744.60x = 474,360.39 × 190,773.88
  4. Step 4: Simplify right side
    343,744.60x = 90,495,572,118.61
  5. Step 5: Solve for x
    x = 90,495,572,118.61/343,744.60
  6. Step 6: Final answer
    x = 263,263.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.